Action by a defendant that brings a third party into a lawsuit. Compare intervention.

a claim that a defendant can include in its answer to a complaint, stating that a breach of duty by an entity not a party to the lawsuit gave rise to all or part of the plaintiff's claim. Service of the third-party complaint brings the entity into the suit as a third-party defendant, and the filing defendant becomes a third-party plaintiff.

Claim made to an insurance company for damage or injury caused by one of its policyholders.

An action by the defendant that brings a third party into a lawsuit.

Damage or injury that others (a third party) claim you have caused to them or their property. The third party makes a claim against your policy.

A claim by the respondent against a party not already named in the proceeding.